CVE-2026-55121
Microsoft Office Information Disclosure Vulnerability
Vexday Risk Score
10Bajo
Decisión SSVC (CISA)
Track
Sin señal de explotación → monitorear
CVSS 5.5EPSS —KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Ciclo de vida
14 jul 2026Publicada en NVD
Recomendación: Monitorear — sin señal de explotación por ahora.
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Productos afectados
Microsoft · Microsoft 365 Apps for EnterpriseMicrosoft · Microsoft Office 2016Microsoft · Microsoft Office 2019Microsoft · Microsoft Office 365 for MacMicrosoft · Microsoft Office LTSC 2021Microsoft · Microsoft Office LTSC 2024Microsoft · Microsoft Office LTSC for Mac 2021Microsoft · Microsoft Office LTSC for Mac 2024Microsoft · Microsoft SharePoint Enterprise Server 2016Microsoft · Microsoft SharePoint Server 2019Microsoft · Microsoft SharePoint Server Subscription Edition